KNOWABLE

knowable, cognizable, cognisable, cognoscible

(adjective) capable of being known

Source: WordNet® 3.1

Etymology

Adjective

knowable (comparative more knowable, superlative most knowable)

Capable of being known, understood or comprehended.

Antonyms

• unknowable

Source: Wiktionary

Know"a*ble, a.

Definition: That may be known; capable of being discovered, understood, or ascertained. Thus mind and matter, as known or knowable, are only two different series of phenomena or qualities. Sir W. Hamilton.

Source: Webster’s Unabridged Dictionary 1913 Edition